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Aon plc

AON
Exchange
NYSE
Industry
Insurance Agents, Brokers & Service
SEC CIK
0000315293

In the last 90 days, Aon plc insiders filed 1 open-market purchase and 3 sales; 1,273 institutions reported holding it in 13F filings for Q2 2026, worth $63.9B in total; 4 superinvestors hold it, including Viking Global Investors and Baupost Group.

13F holders, Q2 2021

Institutional positions in Aon plc as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
912
+4 vs. Q1 2021
Shares held
223.7M
+1.23M (+0.6%) vs. Q1 2021
Total value
$53.4B
+$2.24B (+4.4%) vs. Q1 2021
New holders
82
353 more added
Sold out
78
289 more reduced

11 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AON on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2021: 912 institutions
Q1 2021: 919 institutionsQ2 2021: 912 institutionsQ3 2021: 917 institutionsQ4 2021: 995 institutionsQ1 2022: 985 institutionsQ2 2022: 966 institutionsQ3 2022: 950 institutionsQ4 2022: 1,034 institutionsQ1 2023: 1,014 institutionsQ2 2023: 1,024 institutionsQ3 2023: 1,048 institutionsQ4 2023: 1,066 institutionsQ1 2024: 1,086 institutionsQ2 2024: 1,110 institutionsQ3 2024: 1,148 institutionsQ4 2024: 1,195 institutionsQ1 2025: 1,275 institutionsQ2 2025: 1,232 institutionsQ3 2025: 1,254 institutionsQ4 2025: 1,288 institutionsQ1 2026: 1,265 institutionsQ2 2026: 1,273 institutions
Value heldQ2 2021: $53.4B
Q1 2021: $51.4BQ2 2021: $53.4BQ3 2021: $57.2BQ4 2021: $56.5BQ1 2022: $61.2BQ2 2022: $49.5BQ3 2022: $48.4BQ4 2022: $52.6BQ1 2023: $55.7BQ2 2023: $61.2BQ3 2023: $56.4BQ4 2023: $49.8BQ1 2024: $57.4BQ2 2024: $55.4BQ3 2024: $66.1BQ4 2024: $69.1BQ1 2025: $77.1BQ2 2025: $69.3BQ3 2025: $66.3BQ4 2025: $66.7BQ1 2026: $60.6BQ2 2026: $63.9B
Institutions holding AON and their total value by quarter
QuarterHoldersValue
Q2 20261,273$63.9B
Q1 20261,265$60.6B
Q4 20251,288$66.7B
Q3 20251,254$66.3B
Q2 20251,232$69.3B
Q1 20251,275$77.1B
Q4 20241,195$69.1B
Q3 20241,148$66.1B
Q2 20241,110$55.4B
Q1 20241,086$57.4B
Q4 20231,066$49.8B
Q3 20231,048$56.4B
Q2 20231,024$61.2B
Q1 20231,014$55.7B
Q4 20221,034$52.6B
Q3 2022950$48.4B
Q2 2022966$49.5B
Q1 2022985$61.2B
Q4 2021995$56.5B
Q3 2021917$57.2B
Q2 2021912$53.4B
Q1 2021919$51.4B

Institutions, Q2 2021

Shares, value and share of portfolio for each institution holding Aon plc; share changes are against Q1 2021.

Institutions holding AON in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Sepio Capital, LP8,924$2.13M0.18%+8,924New
Olstein Capital Management, L.P.9,000$2.15M0.27%00.0%Unchanged
BBVA USA9,016$2.15M0.12%+9,016New
Pekin Hardy Strauss, Inc.9,068$2.17M0.30%−401−4.2%Reduced
Advisor Partners LLC9,214$2.20M0.14%−67−0.7%Reduced
Gofen & Glossberg LLC9,233$2.20M0.05%+20+0.2%Added
Paradigm Financial Partners, LLC9,424$2.25M0.56%+1,805+23.7%Added
MidWestOne Financial Group, Inc.9,583$2.29M0.54%00.0%Unchanged
Winton Group Ltd9,592$2.29M0.12%+1,183+14.1%Added
Huntington National Bank9,665$2.31M0.02%+804+9.1%Added
Harvest Management LLC9,700$2.32M1.78%+9,700New
Gratus Capital LLC10,010$2.39M0.27%−3,062−23.4%Reduced
K.J. Harrison & Partners Inc10,000$2.39M0.34%00.0%Unchanged
CWM, LLC10,167$2.43M0.02%00.0%Unchanged
Arthur M. Cohen & Associates, LLC11,114$2.49M0.51%00.0%Unchanged
Bradley Mark J.10,495$2.51M1.67%−255−2.4%Reduced
Rothschild Investment Corp10,527$2.51M0.20%+96+0.9%Added
Park Avenue Securities LLC10,553$2.52M0.05%+1,071+11.3%Added
FDx Advisors, Inc.10,589$2.53M0.08%+901+9.3%Added
Kestra Advisory Services, LLC10,641$2.54M0.03%+814+8.3%Added
Ossiam10,005$2.60M0.07%+459+4.8%Added
Chesley Taft & Associates LLC11,012$2.63M0.15%+115+1.1%Added
Seascape Capital Management11,038$2.63M1.37%+502+4.8%Added
Raymond James Financial Services Advisors, Inc.11,403$2.72M0.01%−237−2.0%Reduced
Trexquant Investment LP11,431$2.73M0.23%−6,137−34.9%Reduced
Ar Asset Management Inc11,618$2.77M0.78%00.0%Unchanged
Teza Capital Management LLC11,663$2.79M0.45%+8,105+227.8%Added
Verition Fund Management LLC11,814$2.82M0.04%+10,289+674.7%Added
Goelzer Investment Management, Inc.11,883$2.84M0.24%−3,710−23.8%Reduced
Orbis Allan Gray Ltd11,929$2.85M0.02%+11,929New
Rockefeller Capital Management L.P.12,000$2.86M0.02%+1,050+9.6%Added
Nordea Investment Management AB12,145$2.90M0.00%−4,436−26.8%Reduced
Alpha Omega Wealth Management LLC12,234$2.92M0.48%−2,107−14.7%Reduced
South Dakota Investment Council12,242$2.92M0.05%−2,430−16.6%Reduced
New York Life Investments Alternatives12,459$2.98M2.00%+220+1.8%Added
Crossmark Global Holdings, Inc.12,466$2.98M0.07%−794−6.0%Reduced
Meiji Yasuda Asset Management Co Ltd.12,503$2.98M0.14%−1,860−12.9%Reduced
Mariner, LLC12,560$3.00M0.02%+416+3.4%Added
Applied Research Investments, LLC12,691$3.03M1.08%00.0%Unchanged
MML Investors Services, LLC12,711$3.04M0.03%+1,343+11.8%Added
Distillate Capital Partners LLC12,978$3.10M0.86%+12,978New
Pittenger & Anderson Inc12,985$3.10M0.16%+985+8.2%Added
Freestone Capital Holdings, LLC13,131$3.13M0.16%+496+3.9%Added
Captrust Financial Advisors13,134$3.14M0.03%+2,404+22.4%Added
Kentucky Retirement Systems13,140$3.14M0.15%−772−5.5%Reduced
Mount Yale Investment Advisors, LLC13,248$3.16M0.38%−428−3.1%Reduced
Jasper Ridge Partners, L.P.13,388$3.20M0.16%00.0%Unchanged
Quantitative Investment Management, LLC13,515$3.23M0.29%+100+0.7%Added
Diversified Trust Co13,747$3.28M0.12%+1,022+8.0%Added
Onyx Bridge Wealth Group LLC14,182$3.29M1.42%+14,182New
Louisiana State Employees Retirement System14,100$3.37M0.08%+100+0.7%Added
Private Advisor Group, LLC14,410$3.44M0.03%−498−3.3%Reduced
Sciencast Management LP15,006$3.54M0.74%+12,596+522.7%Added
Global Frontier Investments LLC15,000$3.58M2.70%00.0%Unchanged
New Mexico Educational Retirement Board15,045$3.59M0.12%+600+4.2%Added
Gotham Asset Management, LLC15,137$3.61M0.15%−2,704−15.2%Reduced
Harris Associates L PSuperinvestorHarris Associates (Oakmark)15,508$3.70M0.01%00.0%Unchanged
Sumitomo Mitsui DS Asset Management Company, Ltd15,597$3.72M0.09%−69−0.4%Reduced
Elo Mutual Pension Insurance Co15,800$3.77M0.13%−694−4.2%Reduced
Acadian Asset Management LLC15,897$3.79M0.01%+6,761+74.0%Added
Tudor Investment Corp Et Al16,116$3.85M0.08%−27,709−63.2%Reduced
Beese Fulmer Investment Management, Inc.16,147$3.85M0.44%+1,148+7.7%Added
SG Americas Securities, LLC16,159$3.86M0.02%−7,507−31.7%Reduced
Pacer Advisors, Inc.16,276$3.89M0.06%+3,037+22.9%Added
Oliver Luxxe Assets LLC16,296$3.89M1.07%+16,296New
O'Shares Investment Advisers, LLC16,462$3.93M0.28%+400+2.5%Added
Ergoteles LLC16,796$4.01M0.09%+16,796New
Mirae Asset Global Investments Co., Ltd.16,890$4.03M0.01%+1,028+6.5%Added
Cornerstone Advisors, LLC17,000$4.06M0.24%00.0%Unchanged
KWMG, LLC17,261$4.06M0.61%+132+0.8%Added
Holocene Advisors, LP17,126$4.09M0.03%+6,268+57.7%Added
Tredje AP-fonden17,200$4.11M0.09%00.0%Unchanged
SRN Advisors, LLC17,283$4.13M1.40%+574+3.4%Added
Andra AP-fonden17,300$4.13M0.08%−10,800−38.4%Reduced
Vestcor Inc17,344$4.14M0.14%−19,245−52.6%Reduced
Live Oak Private Wealth LLC17,511$4.18M0.92%+4,896+38.8%Added
Birch Run Capital Advisors, LP17,800$4.25M3.54%00.0%Unchanged
Equitable Trust Co18,338$4.38M0.28%+754+4.3%Added
TT International Asset Management LTD8,034$4.38M0.20%−1,692−17.4%Reduced
ING Groep NV18,533$4.42M0.07%+3,571+23.9%Added
Baird Financial Group, Inc.18,556$4.43M0.01%+1,159+6.7%Added
Mitsubishi UFJ Asset Management (UK) Ltd.19,000$4.54M1.96%00.0%Unchanged
Glenmede Trust Co NA19,048$4.55M0.02%−3,034−13.7%Reduced
Vident Investment Advisory, LLC19,244$4.59M0.14%+12,697+193.9%Added
Premier Fund Managers Ltd19,076$4.63M0.16%+341+1.8%Added
Shufro Rose & Co LLC19,500$4.66M0.35%00.0%Unchanged
Securian Asset Management, Inc19,504$4.66M0.09%−44−0.2%Reduced
Van Eck Associates Corp19,509$4.66M0.01%+2,848+17.1%Added
Richard Bernstein Advisors LLC19,866$4.74M0.10%00.0%Unchanged
Credential Qtrade Securities Inc.19,988$4.77M0.38%+16,794+525.8%Added
Johnson Investment Counsel Inc20,025$4.78M0.07%−124−0.6%Reduced
Steel Canyon Capital, LLC20,036$4.78M3.81%−3,595−15.2%Reduced
First National Bank of Omaha21,227$4.88M0.25%00.0%Unchanged
BlueMar Capital Management, LLC20,497$4.89M1.14%−28,307−58.0%Reduced
Northwestern Mutual Wealth Management Co21,036$5.02M0.01%−350−1.6%Reduced
Synovus Financial Corp21,202$5.07M0.05%+153+0.7%Added
Violich Capital Management, Inc.21,270$5.08M0.85%−1,175−5.2%Reduced
Capital International Ltd21,787$5.20M0.29%+1,346+6.6%Added
CX Institutional21,819$5.21M0.43%−685−3.0%Reduced
Pictet & Cie (Europe) SA21,860$5.22M0.18%+653+3.1%Added